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ZENODO
Preprint . 2026
License: CC BY NC ND
Data sources: ZENODO
ZENODO
Preprint . 2026
License: CC BY NC ND
Data sources: Datacite
ZENODO
Preprint . 2026
License: CC BY NC ND
Data sources: Datacite
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Funkcjonalna oś androgenowa (FOA): przeramowanie fizjologii androgenowej przez efektywność sygnału

Reframing Androgen Physiology Through Signal Efficiency: The Functional Androgen Axis (FOA)
Authors: Czernikiewicz, Jakub;

Funkcjonalna oś androgenowa (FOA): przeramowanie fizjologii androgenowej przez efektywność sygnału

Abstract

Clinical interpretation of androgen function in men relies predominantly on total testosterone (TT), yet a normal TT concentration does not exclude the symptomatic presentation of androgen deficiency. The Functional Androgen Axis (FOA) framework reframes androgen function not as a function of serum concentration but as the outcome of an interaction between two dimensions: signal intensity (Androgen Load, AL) and system response capacity (Receptor Capacity, RC). The functional result of this interaction is expressed as Androgen Signal Efficiency (ASE). AL aggregates the bioavailable serum signal, conversion and hormonal balance (estradiol, dihydrotestosterone), cumulative exposure time and exogenous potency. RC aggregates the physiological capacity to transduce that signal across metabolic, neuroendocrine (HPA), inflammatory, hematologic and local-utilisation domains, with receptor-level biology (androgen receptor expression, CAG polymorphism, coregulator availability) as its conceptual referent. The framework predicts that biological output is maximised not at maximal signal but at the point where load matches capacity (AL = RC). This paper provides the conceptual and mechanistic foundation of the FOA corpus. The document is presented as a working paper for methodological review.

Interpretacja funkcji androgenowej u mężczyzn opiera się w praktyce przede wszystkim na oznaczeniu testosteronu całkowitego (TT), jednak prawidłowe stężenie TT nie wyklucza objawowej prezentacji niedoboru androgenów. Framework funkcjonalnej osi androgenowej (FOA) przeramowuje funkcję androgenową: nie jako funkcję stężenia hormonu we krwi, lecz jako wynik interakcji dwóch wymiarów - intensywności sygnału (Androgen Load, AL) oraz pojemności odpowiedzi systemu (Receptor Capacity, RC). Funkcjonalnym wynikiem tej interakcji jest efektywność sygnału androgenowego (Androgen Signal Efficiency, ASE). Niniejsza praca stanowi konceptualny i mechanistyczny fundament korpusu FOA i jest prezentowana jako dokument roboczy przeznaczony do metodologicznej recenzji naukowej.

Keywords

clinical decision support, Functional Androgen Axis, bioavailable testosterone, FOA, hormonal optimization, CAG polymorphism, ASE, functional medicine, testosterone replacement therapy, androgen receptor, androgen signal efficiency, receptor capacity, SHBG, androgen axis, anabolic-androgenic steroids, free hormone hypothesis, androgen load, total testosterone, male hormonal health, reference range limitations, testosterone, functional assessment, FOA framework, bioavailability, dihydrotestosterone, 5-alpha-reductase

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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